-- I got the same results - 'dictionary' gem works properly -
The library seems broken - this is an opportunity to write a test
case - identify the problem and submit a patch - first check
lighthouse for a ticket.
Maybe the rails core team wants to rename Dictionary as OrderedHash
Dictionary is from the Ruby Facet's project.
--
--
gem install dictionary
[8:25:34]
Successfully installed dictionary-1.0.0
1 gem installed
Installing ri documentation for dictionary-1.0.0...
Installing RDoc documentation for dictionary-1.0.0...
./script/console
[8:25:43]
Loading development environment (Rails 2.3.8)
ree-1.8.7-2010.01 > require 'dictionary'
ree-1.8.7-2010.01 > row = [["QID", "8"], ["SID", "21"], ["Question",
"Which number is the smallest?"], ["Right", "-300"], ["Wrong1", "-3"],
["Wrong2", "-13"], ["Wrong3", "-30"], ["50_50", "1"], ["Checked",
nil], ["DBand5-7", "NA"], ["DBand7-9", "NA"], ["DBand9-11", "H"],
["DBand11-14", "E"], ["DBand14-16", nil], ["Editor", nil], ["Subject",
"Mathematics"], ["Question_Type", "curriculum"], ["Keywords", "\"eggs,
bacon, sausage and chips\", reading and writing, arithmetic"],
["UserLogin", nil], ["Privacy", nil], ["Official", nil]]
d = Dictionary.new
=> {}
ree-1.8.7-2010.01 > row.each {|e| d[e.first] = e.last}
=> [["QID", "8"], ["SID", "21"], ["Question", "Which number is the
smallest?"], ["Right", "-300"], ["Wrong1", "-3"], ["Wrong2", "-13"],
["Wrong3", "-30"], ["50_50", "1"], ["Checked", nil], ["DBand5-7",
"NA"], ["DBand7-9", "NA"], ["DBand9-11", "H"], ["DBand11-14", "E"],
["DBand14-16", nil], ["Editor", nil], ["Subject", "Mathematics"],
["Question_Type", "curriculum"], ["Keywords", "\"eggs, bacon, sausage
and chips\", reading and writing, arithmetic"], ["UserLogin", nil],
["Privacy", nil], ["Official", nil]]
On Thu, Jun 10, 2010 at 8:09 AM, Max Williams <li...@ruby-forum.com> wrote:
> I'm in rails 2.3.4, and i'm trying to convert an array into an ordered
> hash. Since an ordered hash is kind of an array in disguise i thought
> this would be simple. But the ordering is breaking down by the time i
> add the third or fourth pair. Check it out:
>
>>> row = [["QID", "8"], ["SID", "21"], ["Question", "Which number is the
>>> smallest?"], ["Right", "-300"], ["Wrong1", "-3"], ["Wrong2", "-13"],
>>> ["Wrong3", "-30"], ["50_50", "1"], ["Checked", nil], ["DBand5-7", "NA"],
>>> ["DBand7-9", "NA"], ["DBand9-11", "H"], ["DBand11-14", "E"], ["DBand14-16",
>>> nil], ["Editor", nil], ["Subject", "Mathematics"], ["Question_Type",
>>> "curriculum"], ["Keywords", "\"eggs, bacon, sausage and chips\", reading
>>> and writing, arithmetic"], ["UserLogin", nil], ["Privacy", nil],
>>> ["Official", nil]]
> => [["QID", "8"], ["SID", "21"], ["Question", "Which number is the
> smallest?"], ["Right", "-300"], ["Wrong1", "-3"], ["Wrong2", "-13"],
> ["Wrong3", "-30"], ["50_50", "1"], ["Checked", nil], ["DBand5-7", "NA"],
> ["DBand7-9", "NA"], ["DBand9-11", "H"], ["DBand11-14", "E"],
> ["DBand14-16", nil], ["Editor", nil], ["Subject", "Mathematics"],
> ["Question_Type", "curriculum"], ["Keywords", ""eggs, bacon, sausage and
> chips", reading and writing, arithmetic"], ["UserLogin", nil],
> ["Privacy", nil], ["Official", nil]]
>>> ohash = ActiveSupport::OrderedHash.new
> => #<OrderedHash {}>
>>> row.each{|pair| ohash[pair.first] = pair.last;puts
>>> "\n#{ohash.inspect}"};false
>
> #<OrderedHash {"QID"=>"8"}>
>
> #<OrderedHash {"QID"=>"8", "SID"=>"21"}>
>
> #<OrderedHash {"QID"=>"8", "SID"=>"21", "Question"=>"Which number is the
> smallest?"}>
>
> #<OrderedHash {"QID"=>"8", "SID"=>"21", "Right"=>"-300",
> "Question"=>"Which number is the smallest?"}>
>
> Here i'm onto the fourth pair and already the order is screwed up:
> "Right" has jumped in before "Question".
>
> Can anyone explain what's going wrong here? thanks - max
>
> ps i don't want to (re)start a debate on the merits (or lack thereof) of
> ordered hashes thanks! Just want to understand this particular problem.
> --
> Posted via http://www.ruby-forum.com/.
>
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